Alkylammonium passivation for 2D tin halide perovskite field-effect transistors
Hakjun Kim, Cheong Beom Lee, Bum Ho Jeong, Jong‐Min Lee, Jia Choi, Kyeounghak Kim, Hui Joon Park
Abstract
Optimal-sized alkyl ammonium cations passivate A-site defects in 2D Sn halide perovskites, promoting ideal octahedral formation. FETs with these cation additives, having optimal length and multiple functional groups, show enhanced performance.
Topics & Concepts
HalidePassivationMaterials scienceTinPerovskite (structure)Inorganic chemistryChemical engineeringNanotechnologyMetallurgyChemistryLayer (electronics)EngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsGas Sensing Nanomaterials and Sensors